Bobby E. Gibbs
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View article: Demographic differences in hearing thresholds compared to suprathreshold measures
Demographic differences in hearing thresholds compared to suprathreshold measures Open
African American race and female sex are identified as protective for hearing sensitivity. The mechanisms supporting this protection are not fully understood and it is unclear whether similar mechanisms explain suprathreshold processing. U…
View article: Effects of better-ear glimpsing, binaural unmasking, and spectral resolution on spatial release from masking in cochlear-implant users
Effects of better-ear glimpsing, binaural unmasking, and spectral resolution on spatial release from masking in cochlear-implant users Open
Bilateral cochlear-implant (BICI) listeners obtain less spatial release from masking (SRM; speech-recognition improvement for spatially separated vs co-located conditions) than normal-hearing (NH) listeners, especially for symmetrically pl…
View article: Explaining intelligibility in speech-modulated maskers using acoustic glimpse analysis
Explaining intelligibility in speech-modulated maskers using acoustic glimpse analysis Open
Intelligibility was measured in speech-modulated noise varying in level and temporal modulation rate (TMR). Acoustic analysis measured glimpses available above a local signal-to-noise ratio criterion (LC). The proportion and rate of glimps…
View article: Glimpsing speech interrupted by speech-modulated noise
Glimpsing speech interrupted by speech-modulated noise Open
Everyday environments frequently present speech in modulated noise backgrounds, such as from a competing talker. Under such conditions, temporal glimpses of speech may be preserved at favorable signal-to-noise ratios during the amplitude d…
View article: Modulation masking and glimpsing of natural and vocoded speech during single-talker modulated noise: Effect of the modulation spectrum
Modulation masking and glimpsing of natural and vocoded speech during single-talker modulated noise: Effect of the modulation spectrum Open
Compared to notionally steady-state noise, modulated maskers provide a perceptual benefit for speech recognition, in part due to preserved speech information during the amplitude dips of the masker. However, overlap in the modulation spect…